JP2001317768A - Cool air supplying unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the temperature rise of used total space by reducing exhaust heat, to enable to change a cooling medium easily and to reduce running cost. SOLUTION: A cool air supplying unit is provided with a box body container 2 stored with the cooling medium of such as ice and chilled water, a container flow-in valve 3 and a container flow-out valve 4 arranged to the box body container 2, a box body housing part 6 formed on a cool air supplying box body 1 and stores the box body container 2 enabling the putting in and out of the box body container 2 freely, a box body flow-out valve 7 and a box body flow-in valve 8 communicating with the container flow-out valve 3 and the container flow-in valve 4 of the box body container 2 stored in the box body housing part 6, a circulation pipe 10 of which both ends are connected to the box body flow-in valve 8 and the box body flow-out valve 7, a circulation pump 11 and an heat exchanging part 12 arranged to the circulation pipe 10, and a fan 13 discharging cool air chilled by the heat exchanging part 12 from a blow-out hole 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called spot cooler for partially supplying cool air, and more particularly to a cool air supply device that does not emit exhaust heat.

[0002]

2. Description of the Related Art In a conventional cool air supply device called a spot cooler, a cooling unit and a blowing unit are integrated, and in the cooling unit, an air-cooled refrigerator or a heat pump including an evaporator, a condenser, a compressor and the like is used. A cooling medium is created so that cool air is released from the blower.

[0003]

In the case of the above-mentioned conventional cold air supply device, a cooling medium is produced in a cooling section.
Exhaust heat is released in addition to the cold air, and the exhaust heat calories are larger than the cold air calories because they include equipment loss.

[0004] Therefore, when the apparatus is used indoors, there is a problem that the temperature balance of the whole room becomes positive and the temperature of the room rises, although the portion exposed to the cold air is cold.

[0005] In addition, when the apparatus is used, the electric power is mainly used except at midnight, and there is a problem in that the running cost increases because the expensive electric power is used.

SUMMARY OF THE INVENTION In view of the foregoing, the present invention provides a cool air supply that reduces exhaust heat, prevents a rise in the temperature of the space used as a whole, facilitates replacement of a cooling medium, and reduces running costs. It is intended to provide a device.

[0007]

According to a first aspect of the present invention, there is provided a cold air supply device, comprising: a box container containing a cooling medium such as ice and cold water; A container inflow valve and a container outflow valve provided in the container, a box storage portion formed in the cool air supply box to store the box container so that the container can be freely moved in and out, and the container provided in the box storage portion. A box outflow valve and a box inflow valve communicating with the container inflow valve and the container outflow valve of the box container housed in the housing portion, and both ends connected to the box inflow valve and the box outflow valve; A circulation pipe, a circulation pump and a heat exchange unit provided in the circulation pipe, and a fan for discharging cool air cooled by the heat exchange unit from an air outlet.

[0008] Claim 1 of the present invention configured as described above.
In the cold air supply device described above, a container inflow valve and a container outflow valve are provided in a box container in which a cooling medium is stored, and the box container is stored in a box storage portion of the cold air supply box so as to be able to freely enter and exit. A box outflow valve and a box inflow valve are provided in the body storage section, and the box outflow valve and the container inflow valve, and the box body inflow valve and the container outflow valve communicate with each other by storing the box container in the box storage section. A circulation pump and a heat exchange unit are provided in a circulation pipe connected to the box inlet valve and the box outlet valve at both ends, and the cool air cooled by the heat exchange unit is discharged from the air outlet by the fan, so that cooling is performed. There is no waste heat for making the medium, the waste heat released from the device is extremely small, it is possible to prevent the temperature rise of the space to be used as a whole, and the container can be made into a cartridge, and the cooling can be performed. Easy handling of media exchange.

Next, the cool air supply device according to claim 2 is
A cooling medium manufacturing machine provided in the cooling medium manufacturing main body and manufacturing a cooling medium such as ice or cold water; a main body storage portion formed in the main body and housing the box container according to claim 1 so as to be able to enter and exit; A main body inflow valve and a main body outflow valve that are provided in the main body storage part and communicate with a container outflow valve and a container inflow valve of the box container housed in the main body storage part; and the main body outflow valve and the manufacturing machine. It is provided with an outflow pipe connected and provided with a main body pump, and an inflow pipe connecting the main body inflow valve and the manufacturing machine.

According to a second aspect of the present invention, there is provided an apparatus comprising the box container according to the first aspect and a cooling medium producing main body, wherein the main body is provided with a cooling medium producing machine.
A main body storage portion in which the container is housed so that the container can be freely moved in and out is formed, and the main body outflow valve and the main body inflow valve provided in the main body storage portion are provided with the container inflow valve and the container of the container stored in the main body storage portion Since the main body outflow valve communicates with the outflow valve, the main body outflow valve and the cooling medium manufacturing machine are connected by an outflow pipe provided with a main body pump, and the main body inflow valve and the manufacturing machine are connected by an inflow pipe. The manufactured cooling medium can be easily supplied by replacing it with a box container,
By installing the main unit outside the room other than the part that supplies the cool air, the cool air supply part is not affected by the exhaust heat during the production of the cooling medium, and the cooling medium manufacturing machine is operated by the late-night power, which has a significantly lower electricity rate. It can operate to produce a cooling medium and reduce running costs.

Next, the cold air supply device according to claim 3 is
A slave unit container provided in the cold air supply slave unit and containing a cooling medium such as ice or cold water; a circulation pipe having both ends connected to the slave unit container; a circulation pump and heat provided in the circulation pipe An exchange unit, a fan that discharges the cool air cooled by the heat exchange unit from an air outlet, and is provided in the slave unit,
A slave unit inflow valve and a slave unit outflow valve connected to the slave unit container, a cooling medium manufacturing machine provided in the master unit for manufacturing a cooling medium such as ice and cold water, and a cooling medium manufacturing machine provided in the master unit; A parent machine outflow valve connected to the manufacturing machine via a parent machine inflow valve and an outflow pump connected to the machine, and an outflow hose for detachably connecting the parent machine outflow valve and the child machine inflow valve, An inflow hose for detachably connecting the slave unit outflow valve and the master unit inflow valve is provided.

The apparatus according to claim 3, which is constructed as described above, comprises a master unit and a cold air supply slave unit, wherein the slave unit is provided with a slave unit container for storing a cooling medium, and both ends of the slave unit are provided. A circulation pump and a heat exchange unit are provided in the circulation pipe connected to the container, and the fan of the heat exchange unit can discharge cool air, and the child unit inflow valve and child unit outflow connected to the child unit container to the child unit A valve is provided, while the parent machine is provided with a cooling medium production machine, a parent machine inflow valve connected to the production machine, and a parent machine outflow valve equipped with a parent machine pump, and a parent machine outflow valve and a child machine inflow valve. Are detachably connected by an outflow hose, and the slave unit outflow valve and the master unit inflow valve are detachably connected by an inflow hose.
When the temperature of the cooling medium in the slave unit container rises due to use, the slave unit is connected to the master unit by the outflow hose and the inflow hose, so that the cooling medium of the master unit can be easily replaced and supplied to the slave unit. In the same manner as in the case of the device of claim 2, by installing the master unit in an outdoor area other than the part to which the cool air is to be supplied, the cool air supply part is not affected by the exhaust heat during the production of the cooling medium, and Running costs can be reduced by using late-night power.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to FIGS. In the respective drawings, the same reference numerals indicate the same or corresponding components. (Embodiment 1) In FIG. 1 showing Embodiment 1, 1 is a cold air supply box with wheels, and 2 is a box container, which stores a cooling medium such as ice or cold water. Reference numerals 3 and 4 denote container inflow valves and container outflow valves protruding from a lower portion and an upper portion of the back surface of the container 2, and reference numerals 5 denote handles on the front surface of the container 2.

Reference numeral 6 denotes a box housing formed at the lower part of the front surface of the box 1, the front surface of which is open.
It is stored freely in and out. Reference numerals 7 and 8 denote a box outflow valve and a box inflow valve provided at a lower portion and an upper portion of the back portion of the box housing portion 6, respectively. 3. The container outflow valve 4 contacts and connects to the box outflow valve 7 and the box inflow valve 8. Reference numeral 9 denotes a limit switch provided at the back of the box housing section 6. The limit switch 9 operates when the box container 2 is stored in the box housing section 6, and each of the valves 3, 4, 7. 8, the valve 3 communicates with the valve 7, and the valve 4 communicates with the valve 8.

10 is a box inlet valve 8 and a box outlet valve 7 at both ends.
The cooling medium of the box body 2 circulates. Reference numerals 11 and 12 denote circulating pumps and heat exchange units provided in the circulation pipe 10, 13 denotes a fan provided in the heat exchange unit 12, 14 denotes an intake duct of the fan 13, and 15 denotes a discharge duct connected to the lee of the fan 13. The cool air cooled by the heat exchange unit 12 is
The cold air is discharged from the discharge duct 15 and can be directed in an arbitrary direction by a flexible pipe such as a bellows.

Reference numeral 17 denotes a temperature sensor provided in the discharge duct 15, which detects the temperature of the cool air. Reference numeral 18 denotes a switch provided on the upper surface of the box 1, and 19 denotes a display provided on the upper surface of the box 1. The circulating pump 11 is operated by the operation of the limit switch 9, and the temperature is reduced during the discharge of the cool air. The indicator 19 lights blue when the sensor 17 detects the cold air,
The cool air is no longer released from the air outlet 16 and the temperature sensor 17
Detects that the temperature is equal to or higher than the predetermined temperature, the circulating pump 11 is stopped by the detection signal of the temperature sensor 17, the display 19 lights up in red, and indicates that the container 2 is ready for replacement. The valves 3, 4, 7, 8 are simultaneously closed by the detection signal of the temperature sensor 17. At this time, at the same time, a sound is emitted from the display 19 for a predetermined period to notify the stop of the operation.

Next, the operation of the first embodiment will be described. When the container 2 containing the cooling medium is accommodated in the container accommodating portion 6, the container inflow valve 3 is connected to the container outflow valve 7, and the container outflow valve 4 is connected to the container inflow valve 8, respectively. Is activated, and each valve 3, 4,
7.8 open and communicate, circulating pump 11 and fan 13
Is activated, the cool air of the heat exchange section 12 is discharged from the air outlet 16, and the display 19 lights in blue when the temperature sensor 17 detects the cool air.

When the heat exchange of the cooling medium in the heat exchange section 12 proceeds and the temperature sensor 17 detects a predetermined temperature or more, the circulating pump 11 and the fan 13 are stopped, and each valve 3.
4. The system is closed and the display 19 changes to red, indicating that the cooling medium of the container 2 is to be replaced, and emits a sound.

In the above description, the limit switch 9
The circulation pump 11 and the fan 13 are operated by the
Although the valves 4, 7, and 8 are opened, the valves 3, 4, 7, 8 are brought into contact with the valves 3, 4, 7 by the storage of the container 2 in the container storing section 6, so that the valves 3, 4, 7,・ 8 automatically opens and communicates,
Further, the operation of the circulation pump 11 and the fan 13 may be performed by the switch 18. In this case, the circulation pump 11 and the fan 13 are stopped by the detection signal of the temperature sensor 17 in the same manner as described above, and when the container 2 is taken out of the container housing 6, the valves 3 and 4 are closed. 7.
The valves 3, 4, 7, and 8 may be automatically closed upon release from 8.

(Embodiment 2) FIG. 2 showing Embodiment 2 is equivalent to Embodiment 1.
A device for supplying a cooling medium to the container 2 in
In the figure, reference numeral 20 denotes a cooling medium manufacturing main body, 21 denotes a main body 2
0, a cooling medium manufacturing machine for manufacturing a cooling medium such as ice or cold water, which is provided in a plurality of main body storage units formed in multiple stages on the front surface of the main body 20; The container 2 is housed so that it can enter and exit freely. Reference numerals 23 and 24 denote a main body outflow valve and a main body inflow valve provided at a lower part and an upper part of the inner part of the main body storage part 22, respectively. The valve 4 is in contact with and connected to the main body outflow valve 23 and the main body inflow valve 24,
The valves 3, 4, 23, and 24 are opened by the operation of the limit switch 9 provided at the back of the valve 2, and the valves 3 and 23 and the valves 4 and 24 communicate with each other.

Reference numeral 25 denotes an outflow pipe connecting the production machine 21 and each main body outflow valve 23. The outflow pipe 25 led out from the lower part of the production machine 21 is branched, and the main body pump 2
6 is connected to each main body outflow valve 23. Reference numeral 27 denotes an inflow pipe connecting the manufacturing machine 21 and each main body inflow valve 24, and an inflow pipe 27 led out from an upper portion of the manufacturing machine 21.
Are branched and connected to the main body inflow valves 24 via the temperature sensors 28, respectively.

When the used box container 2 is stored in the empty main body storage section 22, the container inflow valve 3 is connected to the main body outflow valve 23 and the container outflow valve 4
Is connected to the main body inflow valve 24, the limit switch 9 is operated, the valves 3, 4, 23, 24 are opened, the main body pump 26 is operated, and the cooling medium of the manufacturing machine 21 is discharged from the outflow pipe 25 to the container 2 , And the corresponding indicator light 19 corresponding to each main body storage section 22 lights in blue. Then, the high-temperature cooling medium of the container 2 is sent from the inflow pipe 27 to the manufacturing machine 2, and the cooling medium of the container 2 is replaced with a low-temperature cooling medium, and the cooling medium flowing through the inflow pipe 27 is cooled to a low temperature. When the temperature sensor 28 detects a predetermined temperature or lower, the main body pump 26 closes, the valves 3, 4, 23, and 24 close, and the corresponding indicator light 19 changes to red and emits a sound.

Here, the cooling medium can be manufactured by operating the manufacturing machine 21 by the late-night electric power at a low electricity rate, and the main body 20 is installed outdoors or the like.

(Embodiment 3) FIG. 3 showing Embodiment 3 is an apparatus for supplying a cooling medium through a hose.
Reference numeral 29 denotes a cold-air supply slave unit with wheels, and reference numeral 30 denotes a slave unit container in which a cooling medium such as ice or cold water stored in the slave unit 29 is stored. And a circulation pump 11 and a heat exchange unit 12 are connected to the circulation pipe 10 in substantially the same manner as in the case of the cold air supply box 1 of the first embodiment.
, A fan 13, an intake duct 14, a discharge duct 15, an air outlet 16, a temperature sensor 17 and a switch 18,
A display 19 is provided. Reference numerals 31 and 32 denote a slave unit inflow valve and a slave unit outflow valve which are provided in the slave unit 29 and connected to the upper and lower parts of the slave unit container 30.

Reference numeral 33 denotes a master unit, which is provided with a cooling medium manufacturing machine 21 substantially similar to the second embodiment. Reference numerals 34 and 35 denote parent machine inflow valves and parent machine outflow valves provided at the upper and lower parts of the parent machine 33. The parent machine pump 36 is connected to the outflow pipe 25 connecting the lower part of the manufacturing machine 21 and the parent machine outflow valve 35. Is provided, and a temperature sensor 28 is provided on the inflow pipe 27 connecting the upper part of the manufacturing machine 21 and the parent machine inflow valve 34.

Reference numeral 37 denotes an outflow hose. Valves at both ends are detachably connected to the master unit outflow valve 35 and the slave unit inflow valve 31.
Reference numeral 38 denotes an inflow hose, and valves at both ends are detachably connected to the parent machine inflow valve 34 and the child machine outflow valve 32.

When the slave unit 29 is used, both hoses 37 are used.
38 is removed from the slave unit 29, and is operated by the circulating pump 11 and the fan 13 in substantially the same manner as in the first embodiment.
While the cooling medium of the slave unit container 30 is circulated, the heat exchange is performed in the heat exchange unit 12, and the cool air is released from the air outlet 16;
When the temperature sensor 17 detects the temperature equal to or higher than the predetermined temperature, the circulation pump 11 and the fan 13 stop, and the display 19 indicates that the operation has stopped.

Next, the slave unit 29 is moved to the master unit 33 installed outdoors or the like, and both ends of both hoses 37 and 38 are connected to the respective valves 35, 31, 34 and 32. With this connection, the valves of both hoses 37, 38 and the valves 31, 35, 32,
34, the main unit pump 36 is operated, and the cooling medium produced by the cooling medium producing machine 21 is discharged through the outflow pipe 25, the master unit outflow valve 35, the outflow hose 37, and the slave unit inflow valve 31. The cooling medium supplied to the slave unit container 30 and the used cooling medium of the slave unit container 30 is returned to the manufacturing machine 21 via the slave unit outflow valve 32, the inflow hose 38, the master unit inflow valve 34, and the inflow pipe 27,
When the temperature sensor 28 detects that the temperature of the cooling medium in the inflow pipe 27 has fallen below a predetermined temperature, the master unit pump 36 is stopped, the hoses 37 and 38 are disconnected, and the replacement of the cooling medium in the slave unit container 30 is completed. The child device 29 is moved to a desired place for use.

[0029]

Since the present invention is configured as described above, it has the following effects. The cold air supply device according to claim 1 is provided with a container inflow valve 3 and a container outflow valve 4 in a box container 2 containing a cooling medium, and a box container 2 in a box storage portion 6 of the cool air supply box 1. Are stored in the box housing section 6 so that the box outflow valve 7 and the box body inflow valve 8
When the container 2 is stored in the container housing 6, the container outflow valve 7 and the container inflow valve 3 communicate with each other, and the container inflow valve 8 and the container outflow valve 4 communicate with each other. A circulation pump 11 is connected to a circulation pipe 10 connected to the valve 8 and the box body outflow valve 7.
And the heat exchange unit 12 are provided, and the cool air cooled by the heat exchange unit 12 is discharged from the blower opening 16 by the fan 13, so that there is no waste heat for producing a cooling medium, and the waste heat released from the device is Very little, it is possible to prevent a rise in temperature of the space to be used as a whole, and the cartridge 2 can be made into a cartridge, so that replacement of the cooling medium is easy to handle.

Next, the apparatus according to the second aspect is the first aspect.
The container body 2 and the cooling medium manufacturing body 20 described above.
A cooling medium manufacturing machine 21 is provided in the main body 20, and
A main body storage part 22 in which the main body container 2 is stored so as to be able to freely enter and exit is formed, and a main body outflow valve 23 and a main body inflow valve 24 provided in the main body storage part 22 are stored in the main body storage part 22. 2, the main body outflow valve 23 and the cooling medium producing machine 21 are connected by an outflow pipe 25 provided with a main body pump 28, and the main body inflow valve 23 and the producing machine 21 flow in. Since the cooling medium is connected by the pipe 27, the cooling medium manufactured by the cooling medium manufacturing machine 21 of the main body 20 can be easily supplied by replacing the cooling medium in the box body container 2, and the main body 20 is replaced with a part other than the part that supplies the cool air. By installing the cooling medium outside, the cooling air supply section is not affected by the exhaust heat generated during the production of the cooling medium, and the cooling medium is manufactured by operating the cooling medium manufacturing machine 21 using the late-night electric power at a significantly lower electricity rate. That Come, it is possible to reduce the running cost.

Next, the device according to the third aspect of the present invention includes
And a cold air supply slave unit 29, a slave unit container 30 in which a cooling medium is stored is provided in the slave unit 29, and a circulating pump 11 and a heat exchange unit are connected to a circulation pipe 10 having both ends connected to the slave unit container 30. 12 is provided, and the cool air can be discharged by the fan 13 of the heat exchange unit 12.
Are provided with a slave unit inflow valve 31 and a slave unit outflow valve 32, while the parent machine 33 has a cooling medium manufacturing machine 21 and a manufacturing machine 2
1, a master unit outflow valve 35 provided with a master unit inflow valve 34 and a master unit pump 36 is provided. The master unit outflow valve 35 and the slave unit inflow valve 31 are detachably connected by an outflow hose 37. The slave unit outflow valve 32 and the master unit inflow valve 34 are connected to the inflow hose 3.
8, when the temperature of the cooling medium 30 of the slave unit container 30 in the slave unit 29 rises due to use, the slave unit 29 is connected to the outlet hose 37 and the inlet hose 38.
By connecting to the parent device 33, the cooling medium of the parent device 33 can be easily exchanged and supplied to the child device 29. As in the case of the apparatus of claim 2, the parent device 33 should be supplied with cool air. When the cooling air supply part is installed outside the room other than the part, the cooling air supply part is not affected by the exhaust heat during the production of the cooling medium, and the running cost can be reduced by using the late-night power.

[Brief description of the drawings]

FIG. 1 is a schematic sectional side view of Embodiment 1 of the present invention.

FIG. 2 is a schematic sectional side view of a second embodiment of the present invention.

FIG. 3 is a schematic sectional side view of a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cold air supply box 2 Box container 3 Container inflow valve 4 Container outflow valve 6 Box storage part 7 Box outflow valve 8 Box inflow valve 10 Circulation pipe 11 Circulation pump 12 Heat exchange unit 13 Fan 16 Blow port 20 Cooling medium Manufacturing main body 21 Cooling medium manufacturing machine 22 Main body storage unit 23 Main body outflow valve 24 Main body inflow valve 25 Outflow pipe 26 Main body pump 27 Inflow pipe 29 Cold air supply handset 30 Handset container 31 Handset inflow valve 32 Handset outflow valve 33 Parent machine 34 Main unit inflow valve 35 Main unit outflow valve 36 Main unit pump 37 Outflow hose 38 Inflow hose

Claims (3)

[Claims] 1. A box container containing a cooling medium such as ice or cold water, a container inflow valve and a container outflow valve provided in the box container, and the box container formed in a cold air supply box. And a box body provided in the box body storage section and communicating with the container inflow valve and the container outflow valve of the box body housed in the box body storage section. An outflow valve and a box inflow valve, a circulation pipe having both ends connected to the box inflow valve and the box outflow valve, a circulation pump and a heat exchange unit provided in the circulation pipe, and the heat exchange unit A cool air supply device, comprising: a fan that discharges the cool air cooled by the blower from the air outlet. 2. A cooling medium manufacturing machine provided in a cooling medium manufacturing main body for manufacturing a cooling medium such as ice or cold water, and a box container formed in the main body and accommodating the box container according to claim 1. A main body storage portion, a main body inflow valve and a main body outflow valve that are provided in the main body storage portion and communicate with a container outflow valve and a container inflow valve of the box container housed in the main body storage portion; The cold air supply device according to claim 1, further comprising: an outflow pipe connected to the manufacturing machine and provided with a main body pump; and an inflow pipe connected to the main body inflow valve and the manufacturing machine. 3. A subunit container provided in the cold air supply subunit and containing a cooling medium such as ice or cold water, a circulation pipe having both ends connected to the subunit container, and provided in the circulation pipe. A circulation pump and a heat exchange unit, a fan that discharges the cool air cooled by the heat exchange unit from an air outlet, a slave unit inflow valve and a slave unit outflow provided in the slave unit and connected to the slave unit container. A valve, provided in the master unit, a cooling medium manufacturing machine that manufactures a cooling medium such as ice or cold water, and a cooling medium manufacturing machine that is provided in the master unit and connected to the manufacturing machine via an inflow valve and an outflow pump connected to the manufacturing machine. A main unit outflow valve connected to the manufacturing machine, an outflow hose for detachably connecting the main unit outflow valve and the sub unit inflow valve, and a detachable sub unit outflow valve and the main unit inflow valve. A cold air supply device comprising an inflow hose to be connected.